This happended to me too, I did an apt-get dist-upgrade in natty on 2011-05-05.
Annoying but could be fixed by booting on usb-stick, mounting the system and re-install grub-efi. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/721544 Title: Update replaced grub-efi with grub-pc causing boot failure. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs